42887-09-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42887-09-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,8,8 and 7 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 42887-09:
(7*4)+(6*2)+(5*8)+(4*8)+(3*7)+(2*0)+(1*9)=142
142 % 10 = 2
So 42887-09-2 is a valid CAS Registry Number.